From: unosonic <radio@aporee.org>
To: sox-users@lists.sourceforge.net
Subject: Re: Several beginner q's about Sox encoding (mp3/aac)?
Date: Tue, 21 Feb 2017 09:16:27 +0100 [thread overview]
Message-ID: <20170221081627.GA10564@aporee.org> (raw)
In-Reply-To: <CAMmPYJ3Z8Tg3rTS3M-bUyey2cpGMkis4R=cpmvzP_v9NFc-Mrg@mail.gmail.com>
christina zou:
> I have a Raspberry Pi running Debian Jessie, as well as a MEMS I2S mic and
> a Pi Camera. My mic records 32bit raw PCM audio.
32bit of dynamics probably does not exist on earth or in the
universe.
> 1. I get the warning: " mp3 can't encode to 32-bit" - what should I do
> about this?
try -b 16
> 2. My resultant MP3 file has small clicks and popping noises throughout. I
sounds like a (typical) pi-problem. Try low latency kernel, good power supply,
external USB2 mic, not running too much at the same time, etc.
I've had some success with an external sound board (cirrus/wolfson).
bests, u.
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next prev parent reply other threads:[~2017-02-21 8:16 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-21 3:43 Several beginner q's about Sox encoding (mp3/aac)? christina zou
2017-02-21 5:52 ` Erich Eckner
2017-02-21 6:06 ` harsh kurra
2017-02-21 8:16 ` unosonic [this message]
2017-02-22 11:00 ` Alexander Stephen Thomas Ross
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